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增值税计算器

为价格添加或去除增值税/税款。支持自定义税率。

常用税率:

增值税 (VAT) 计算器帮助您快速准确地在价格中添加或去除增值税。增值税是在 160 多个国家/地区对商品和服务征收的消费税,标准税率差异显著——从某些地区的 5% 到匈牙利的 27%。

添加增值税:输入不含税(净)价格和增值税税率,工具给出增值税金额和含税(总)价格。去除增值税:输入含税(总)价格和增值税税率,工具提取不含税价格和增值税金额——这称为反向增值税计算或增值税扣除。

常见增值税税率包括英国 20%、德国 19%、法国 20%、意大利 22% 和西班牙 21%,但许多商品和服务类别适用较低税率。请始终检查适用于您特定产品或服务类别的税率。

常见问题

代码实现

def add_vat(net: float, rate: float) -> dict:
    """Add VAT to a net (pre-tax) price."""
    vat_amount = net * (rate / 100)
    gross = net + vat_amount
    return {"net": net, "vat": vat_amount, "gross": gross, "rate": rate}

def remove_vat(gross: float, rate: float) -> dict:
    """Extract VAT from a VAT-inclusive (gross) price."""
    net = gross / (1 + rate / 100)
    vat_amount = gross - net
    return {"net": net, "vat": vat_amount, "gross": gross, "rate": rate}

# Example: Add 20% VAT
r1 = add_vat(net=100, rate=20)
print(f"Net:   ${r1['net']:.2f}")
print(f"VAT:   ${r1['vat']:.2f}  ({r1['rate']}%)")
print(f"Gross: ${r1['gross']:.2f}")

print()

# Example: Remove 20% VAT from £120 inclusive price
r2 = remove_vat(gross=120, rate=20)
print(f"Gross: ${r2['gross']:.2f}  (VAT inclusive)")
print(f"VAT:   ${r2['vat']:.2f}  ({r2['rate']}%)")
print(f"Net:   ${r2['net']:.2f}  (ex VAT)")

# Common VAT rates reference
print("\nCountry VAT Rates:")
rates = {"UK": 20, "Germany": 19, "France": 20, "Australia": 10, "Japan": 10}
for country, rate in rates.items():
    r = add_vat(100, rate)
    print(f"  {country} ({rate}%): ${r['gross']:.0f} on $100")

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